Also, neither Crohnâs disease nor ulcerative colitis is related to food allergies. According to the Crohnâs & Colitis Foundation of America: âPeople with IBD may think they are allergic to foods because they associate the symptoms of IBD with eating.â.
Eczema, also known as dermatitis, describes a group of skin conditions where the skin is irritated or inflamed. There are many different types of eczema - the most common is atopic eczema (also called endogenous eczema). About 1 in 6 children get atopic eczema in the UK, but most grow out of it by their teens.
Xerosis is dryness of the skin, which often appears as dry, itchy, and scaly skin patches on the arms and legs. This is a chronic inflammatory condition. It often causes red, scaly, and itchy rashes. Prurigo nodularis is a condition in which lumps on the skin cause scab-like appearances and itchiness.